147 results about "Relay transmission" patented technology

The invention relates to the technical field of earthquake monitoring and early warning, in particular to an earthquake early warning analysis system and method based on intelligent equipment. The system comprises a terminal sensing and initial judgment module which collects data through a sensor array, identifies P-wave features by using a dynamic weight adjustment model and generates an encrypted initial alarm; the adaptive network transmission module is used for establishing a dynamic self-organizing network based on a D2D protocol and realizing multi-hop relay transmission of alarms by electing relay nodes; the edge aggregation and verification module is used for executing space-time matching and cross verification on a plurality of alarms in a specific area, judging the authenticity of an event and generating graded early warning information; and the cloud control fusion and actuarial module is used for fusing the regional event data and the professional network data, executing high-precision positioning and earthquake magnitude calculation, and issuing a final early warning instruction. According to the invention, a high-density sensing network is constructed by using massive intelligent devices, the early warning blind area is effectively eliminated, and faster, more accurate and more robust earthquake early warning is realized.

The invention discloses a multipath relay transmission method and system for underground confined space construction data, and belongs to the technical field of wireless communication network routing, and the method comprises the steps: obtaining a signal quality parameter of a communication link and a distribution density parameter of an ad hoc network node, and combining the load state of the node and the information of a neighbor node, decision calculation is executed on a plurality of relay nodes in parallel, relay decision vectors corresponding to the relay decision vectors are generated, a plurality of candidate transmission paths are formed through evaluation, construction data blocks to be transmitted are fragmented and distributed to the corresponding optimal candidate transmission paths to be sent in parallel, all received data fragmented sub-blocks are verified and recombined, and the construction data blocks to be transmitted are obtained. And recovering a complete construction data block. A distributed relay decision based on network state feature fusion, data adaptive fragmentation based on path stability and a multipath parallel transmission and feedback optimization mechanism are adopted, so that the data transmission reliability in an underground complex environment can be improved, the transmission delay is reduced, and the dynamic optimization of network performance is realized.

The embodiment of the invention provides a real-time relay transmission method, device and system for fax data, which are applied to a first client front-end device, the first client front-end device is in communication connection with a first fax machine, and the method comprises the following steps: after the first fax machine and a second fax machine are connected in a call, the first client front-end device transmits the fax data to the second fax machine; the first client front-end equipment receives fax data sent by a first fax machine; the first client front-end equipment converts the fax data into an image file; the first client front-end equipment decomposes the image file into a plurality of image units, and a plurality of data packets are obtained after the image units are packaged through an internet protocol; and the first client front-end equipment sends the plurality of data packets to a second fax machine in real time through an Internet session protocol link.

The invention belongs to the technical field of power equipment supervision, and particularly relates to a power equipment state monitoring and early warning system based on a distributed sensor, which comprises a multi-modal sensing collaborative acquisition module, an edge node adaptive relay transmission module, a multi-dimensional state evaluation module, a dynamic threshold early warning decision module and an intelligent early warning information pushing module. According to the invention, the acquisition period of each sensor is dynamically adjusted through the multi-modal sensing cooperative acquisition module, the time sequence consistency and high quality of output data are ensured, the edge node adaptive relay transmission module dynamically eliminates unqualified nodes, and the optimal transmission path is screened based on an evaluation function, so that the optimal transmission path is obtained. According to the method, node energy consumption is reduced, real-time and reliable transmission of data is guaranteed, a multi-dimensional state evaluation module constructs an evaluation system from multiple key dimensions to avoid misjudgment, accurate identification and graded early warning are carried out on the abnormal state of the power equipment, a differentiated pushing strategy is made according to the early warning level, and it is ensured that early warning information can reach a key role in time.

The invention provides a roadway global anchor rod cable anchoring force real-time monitoring system and method, anchor rods / anchor cables are installed in drill holes in a roadway top plate and a roadway side part, and the part, outside a locking nut, of the outer surface of a spherical crown part in a tray serves as an annular monitoring area; the dynamometer is arranged between the locking nut and the tray; the guniting-sensing composite layer comprises a guniting layer and a micro film strain sensor array; the in-tunnel processing terminal is connected with the micro film strain sensor array; the ground processing terminal is connected with the in-tunnel processing terminal through the relay transmission equipment; the method comprises the steps that when the anchor rod / anchor cable is installed, the dynamometer and the intelligent sensing unit are synchronously installed; applying a designed pre-tightening force; receiving the strain sequence signal and sending the strain sequence signal to a ground processing terminal; and obtaining strain force data through a strain-axial force calibration model, and carrying out graded early warning. According to the system and the method, unmanned, real-time and intelligent monitoring of the anchoring force state of the roadway global anchor rod cable can be realized.

The invention discloses a federal relay transmission method and system and terminal equipment, and the transmission method comprises the steps: obtaining a model increment generated by each client in a local training model, and carrying out the fragmentation and encryption processing, and obtaining a data unit set; obtaining a path list currently issued by the aggregator, distributing a transmission path for each data unit in the data unit set, and packaging routing information; multi-hop forwarding is carried out on the data unit through the relay node, link index information is recorded and reported to the aggregator, and the aggregator updates the path list based on the link index information; and verifying, decrypting and recombining the received data units in the aggregator, and updating the global model based on the model increment recombined by all the clients. The method is applied to the field of encryption transmission, safe, reliable and efficient transmission of model increment in federated learning can be effectively achieved, and data privacy is protected and the method adapts to a complex network environment through end-to-end encryption, fragmentation parallel transmission and dynamic multi-hop path optimization.

The invention discloses a mine emergency data relay transmission method based on LoRa and 4G fusion, and belongs to the technical field of mine communication. The method comprises the steps that a communication node monitors sensor data in real time, and when key emergency data is recognized, 4G signal strength is automatically detected; when the 4G signal strength is lower than a set threshold value, starting a LoRa multi-hop relay transmission mode, and selecting an optimal relay node through a dynamic relay node discovery and comprehensive preferential algorithm; the key data is transmitted to an exit node with 4G connection capability through a one-hop or multi-hop LoRa link, and is finally uploaded to a command center through a 4G network. According to the invention, through advantage complementation of LoRa and 4G, a hybrid communication network adaptive to a complex mine environment is constructed, and the technical problem of reliable transmission of key data in a communication blind area is effectively solved.

The invention relates to the technical field of underground measurement-while-drilling data transmission, in particular to an electromagnetic wave mode-while-drilling conversion relay transmission method and system. The method comprises the following steps: acquiring measurement data and transmitting a signal through a double-insulation controlled dipole transmitting structure; receiving the measurement data signal through a repeater arranged along the drill string; determining an equivalent emission impedance characteristic by outputting a detection signal to an external medium and collecting an output end voltage and a current effective value; receiving a propagable guidance response formed by the measurement data signal; judging the type of the current well section based on the equivalent emission impedance characteristic and the propagable guide response; switching to a casing guide injection path or an open hole coupling injection path is selected according to the type of the well section; and carrying out relay forwarding on the signal based on the corresponding emission parameter group. Intelligent identification and conversion of signal modes are achieved, the relay transmission success rate and stability of cased well measurement data signals are improved, the link building distance is shortened, and power consumption and risks caused by working condition uncertainty are reduced.

The invention discloses a 2.4 G-based RSSI (Received Signal Strength Indicator) positioning data relay transmission device and method, and belongs to the technical field of wireless communication. The device comprises a positioning label, a positioning gateway, a relay gateway and a public network gateway. The positioning tag broadcasts a 2.4 G signal containing the ID of the positioning tag; the positioning gateway scans the 2.4 G signal, and generates and broadcasts a data packet in which a positioning gateway address, a data packet number, a relay level and aggregated data are packaged; a relay gateway is switched to a low-power-consumption mode after initialization through a monitoring-learning-synchronization mechanism, wakes up and receives data in a broadcast time window of an upstream gateway of the relay gateway, updates a relay level and forwards the data to a downstream gateway, and therefore multi-hop relay transmission of the data is achieved. And the public network gateway finally uploads the data to a cloud platform or an upper computer. According to the invention, through data aggregation and time synchronization dormancy, the system power consumption is greatly reduced, and long-distance and long-endurance positioning data transmission of battery power supply in a complex environment is realized.

The application discloses an intelligent scheduling control method for an automobile part automatic assembly line, and relates to the technical field of automatic control, which comprises the following steps: obtaining the task instruction response time length value and the node execution action state change value of each execution unit in a current scheduling period, and calculating the response delay value and the state fluctuation value of the corresponding node; generating a response efficiency value according to the response delay value and the state fluctuation value of each node, and generating a feedback control level label in combination with the node task attribute information; judging whether to perform compression processing based on the feedback control level label and the available idle time value of each node in the current scheduling period, and if the compression condition is met, encoding the response delay value and the state fluctuation value into a compressed feedback data frame; and completing the relay transmission of the compressed feedback data frame in a time period that meets the scheduling idle condition, so that the scheduling delay pressure control, task state accurate maintenance and instruction issuing sequence dynamic optimization of the automobile part automatic assembly line are realized.

A sensing request node includes a transceiver and a processor configured to, in response to determining that a first response node in a sensing area has not returned first sensing data and receiving the first sensing data from at least one second response node in the sensing area, select a third response node from the at least one second response node, transmit relay configuration information to the first response node and the third response node, and receive second sensing data from the third response node. The second sensing data is the first sensing data retransmitted by the first response node to the third response node according to the relay configuration information.

The application relates to the field of radio frequency relays, in particular to a radio frequency relay transmission structure, which comprises a shell, an electromagnetic coil is installed at the bottom of the shell, a placement position for placing contacts is arranged at the middle part of the shell, and a transmission structure is arranged at the upper part of the shell; the transmission assembly comprises a first transmission assembly; the first transmission assembly comprises a magnetic steel, a moving iron core, a connecting rod, a fixing column, a push rod and an elastic piece; the magnetic steel is arranged inside the upper end of the shell, the moving iron core is arranged inside the magnetic steel, one end of the connecting rod is fixed with the moving iron core, the other end of the connecting rod is fixed with one end of the push rod, and the other end of the push rod is fixed with a moving contact; the bottom of the fixing column penetrates through the top of the shell and extends to the same horizontal plane of a static contact; one end of the elastic piece is fixed with the outer wall of the fixing column, and the other end of the elastic piece is fixed with the outer wall of the push rod; the structure is designed concisely; through the design of the spring piece structure, the functions of action, return and fixed direction can be realized, and the structure design is good in process and high in reliability.

The invention relates to the technical field of wireless communication, in particular to an ad hoc network transmission method suitable for a field environment, which comprises the following steps: S1, heterogeneous network architecture design: network nodes are deployed in a non-signal area and are responsible for data acquisition and Mesh relay transmission; the gateway nodes are deployed at the boundary of a signal area and are responsible for 4G / LoRa protocol conversion and cloud forwarding, and each node has the capability of automatically identifying the signal intensity of the current environment; and S3, an intelligent transmission mechanism is adopted, in the starting stage, after the nodes are powered on, cellular network signals are automatically detected, and according to the signal strength, the roles of the network nodes and the competitive gateway nodes are autonomously determined. An autonomous relay transmission mechanism based on the Mesh network is constructed, the network reliability is improved, autonomous roaming and multi-path transmission of the nodes are achieved, the communication success rate in a severe environment is improved, energy consumption distribution is optimized, and the situation that specific nodes deplete energy too early is avoided through dynamic role distribution.

The application provides a kind of unmanned area overhead transmission line network coverage method, along the line deployment multiple as intelligent spacer intelligent network node, node uses modular hot plug structure, equipped with super capacitor and solid-state battery hybrid energy storage system;Through LoRa communication to build distributed wireless mesh ad hoc network, combined with TDMA time division multiple access and AODV adaptive routing protocol;Utilize the power supply of at least two different principle of multi-source fusion self-powered module power supply;Node collects line monitoring data and carries out edge computing processing, and the processed data is transmitted through multi-hop relay transmission of ad hoc network, and then transmitted to the center master station through the main and standby dual-link redundant transmission architecture.The application can realize long-term stable self-power supply and reliable communication of unmanned transmission line, improve the real-time performance of monitoring data transmission and network invulnerability.

The application discloses a special unmanned aerial vehicle cruising relay data transmission system for power inspection, relates to the technical field of data transmission, and comprises the following steps: acquiring the inspection position and inspection data transmitted by the unmanned aerial vehicle in power inspection, and calling the position power characteristics; performing inspection data quality influence prediction, obtaining a predicted data quality influence coefficient, an actual data quality influence coefficient, and a data quality coefficient; analyzing and obtaining an inspection position deviation coefficient; performing inspection data generation network selection optimization, obtaining an optimized generation network group, generating inspection data, and performing relay transmission. The application solves the technical problem that the inspection data of the unmanned aerial vehicle in the existing power inspection is affected by electromagnetic interference and the data quality is low after relay transmission.

The invention relates to the technical field of road perception and transmission, and discloses a mountain road operation information full perception transmission and convergence terminal, system and method, and the terminal comprises a Beidou settlement monitoring module, a video microwave fusion perception module, a wireless transmission convergence module and a vehicle relay module. The Beidou settlement monitoring module and the video microwave fusion sensing module are in data connection with the wireless transmission convergence terminal, the wireless transmission convergence module comprises a full-sensing system of an edge calculation module, the structural state and the running state of a mountain road are output, and information which cannot be wirelessly communicated is transmitted through a vehicle relay. The invention aims to realize full perception of road operation information, and integrates Beidou RTK positioning, MEMS inclination angle sensing and distributed optical fiber sensing through the Beidou settlement monitoring module to accurately monitor settlement and inclination states of a road structure. Visible light / infrared videos, vehicle speed, flow and other operation states are synchronously collected through a video microwave fusion sensing module through a multispectral camera and a millimeter wave radar, the road structure and the operation state are comprehensively captured through a space-time alignment algorithm fusion system, and full sensing and full coverage of road operation are achieved in a relay transmission mode.

The invention discloses industrial communication relay equipment and application thereof. The industrial communication relay equipment comprises a magnet, an antenna, an indicator light, a charging port, a charging indicator light, a side panel, a side frame, an RJ45 network interface, a switch button and a hook. The communication relay product is researched and developed based on the Lora technology, the 1.4 G long-distance communication technology and the WIFI technology, the MESH ad hoc network technology is adopted, relay transmission of data can be achieved through a plurality of communication relays so as to achieve the purposes of long-distance communication and obstacle diffraction, the rechargeable lithium battery pack is adopted in the product, the standby time is ultra-long, and the service life of the product is prolonged. And the antenna can be widely applied to places with metal barriers or places needing long-distance communication. The product provided by the invention can realize a WIFI signal receiving function, a Lora signal receiving and sending function and a 1.4 G broadband signal receiving and sending function, supports MESH ad-hoc network, supports the running state of LED display equipment, and is charged by using DC 12V.

Methods, apparatuses, and procedures for scheduling of multipath relays in wireless communications are disclosed. For example, a method implemented in a wireless transmit / receive unit (WTRU) includes determining that data to be transmitted has a priority greater than a priority threshold; determining timing information associated with a selected set of resources for transmitting the data, and the timing information indicates a time resource for transmitting the data is less than a time resource threshold; transmitting, to a network entity, a first message including information indicating a buffer status associated with the data and the timing information associated with the selected set of resources; and transmitting, to a relay WTRU on a sidelink transmission, a second message including information indicating the buffer status.

The invention belongs to the technical field of block chains and privacy protection, and particularly relates to a privacy-protected block chain cross-chain asset transaction method. The method comprises the following steps: firstly, generating a virtual identity, and completing ownership verification based on zero-knowledge proof to ensure that an address and the identity are decoupled; secondly, creating a ring account by using the virtual identity, and constructing an address privacy isolation carrier; and then combining the virtual identity and the ring account to design a shared burning / casting privacy primitive so as to eliminate the difference of address assets on the chain. And then, executing cross-chain fund transfer based on the primitive, and realizing one-way asset privacy transfer through light client verification and relay transmission. According to the method, the non-linkability of the addresses of the two cross-chain parties is realized, the execution delay is controlled at a millisecond level, the cost on the chain is reduced by 30-40% compared with that of a similar scheme, the method is compatible with cross-chain architectures such as light clients and notarians, is adaptive to multi-chain DeFi and cross-chain lending scenes, and has high privacy, high efficiency and high expansibility.

The present disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate.

The application discloses a kind of for long distance water delivery PCCP pipe continuous monitoring device, it is related to pipeline detection device technical field.Can not only provide continuous detection when PCCP pipe works, and when equipment power supply is insufficient, it can generate electricity using water flow, also adopt the method of electromagnetic wave relay transmission solves the problem of long distance PCCP pipe signal transmission.The device includes suspension power generation monitoring device and signal suspension power generation transmission device group;Suspension power generation monitoring device includes first suspension and stabilizing assembly, monitoring assembly and first auxiliary suspension and power generation assembly;First suspension and stabilizing assembly can make suspension power generation monitoring device expand in PCCP and be fixed;Monitoring assembly can scan PCCP pipe;First auxiliary suspension and power generation assembly can adjust the attitude of suspension power generation monitoring device and generate electricity using water flow;Signal suspension power generation transmission device group can receive scanning signal, and signal is transmitted to information receiving and analyzing end by the mode of electromagnetic wave relay transmission.

The invention discloses a group quantum key distribution method and system, and relates to the field of quantum communication. The method comprises the steps that a management and control center responds to a multi-party group key distribution request and determines distribution nodes and receiving nodes; a group key distribution relay path is determined based on a topological relation among a distribution node, a relay node and a receiving node, a relay link resource state and total consumption of a relay key, and the path is a forked directed tree which is constructed along a quantum key relay transmission direction after repeated relay links are removed and a unique effective link is reserved. The distribution node and all the receiving nodes can be unidirectionally communicated; the distribution node generates a group key and initiates a distribution process based on the path, the relay node executes key distribution relay based on the path, and the receiving node obtains the group key through the path. According to the scheme, the node load is reduced by reducing the number of relaying times, resource waste is avoided, the coding rate is improved, the system performance is optimized, and a large-scale multi-party group distribution scene is adapted.

A relay transport device is configured to relay a medium fed from the feeding device and transport the medium to the recording device. The relay transport device includes a first restriction section having a first restriction surface configured to position a first edge, which is one edge in a width direction, a first transport belt configured to transport the medium toward the first restriction surface in a first direction, which intersects the transport direction and the width direction, a second transport belt that is provided downstream of the first transport belt in the transport direction and that is configured to transport the medium toward the first restriction surface in a second direction, which intersects the transport direction and the width direction, and a suction section configured to suck the medium via a through hole provided in the first transport belt and the second transport belt.

The invention belongs to the technical field of road traffic management, and provides a comprehensive traffic management system and method.The system comprises a dispatching platform, a plurality of unmanned aerial vehicles, intelligent street lamps, relay transmission equipment, a controller and traffic signal lamps; the unmanned aerial vehicle is connected with the scheduling platform to execute the instruction; the intelligent street lamps are arranged along the road, connected with the relay equipment, and used for collecting and analyzing road data and interacting; the relay equipment is connected with the scheduling platform and the controller to realize data transmission; the controller is connected with the traffic lights and controls operation of the lights according to platform instructions. The traffic lights are arranged at intersections to adjust traffic order. According to the invention, through cooperation of the scheduling platform and the relay transmission device, the intelligent street lamp, the unmanned aerial vehicle and the traffic signal lamp are connected to realize multi-device data closed-loop circulation; the intelligent street lamp has a data preprocessing capability, and does not need to upload all original data to a centralized platform, so that the processing pressure that data interaction depends on the centralized platform in the background technology is relieved.

An integrated communication transmission drill pipe assembly, relating to the field of drilling communication equipment, includes a pipe body, a central gas rod, a male connector, a female connector, an electrical connection mechanism, and a wireless data transmission module. The central gas rod is disposed within the pipe body to deliver gas. The male and female connectors are respectively disposed at both ends of the pipe body, and they cooperate to connect multiple pipe bodies. The electrical connection mechanism includes elastic contacts, a conductive ring, and a wire. The elastic contacts are disposed on the top surface of the pipe body. The conductive ring is coaxially disposed at the bottom of the pipe body. The wire is disposed within the pipe body and connects between the elastic contacts and the conductive ring. The wireless data transmission module is disposed within the pipe body, connected to and powered by the wire, and relays signals between adjacent pipe bodies. The central gas delivery better maintains the balance of the drill pipe during rotation, the electrical connection mechanism can adapt to the complex operating environment of the drill pipe, and the wireless data transmission module transmits electrical signals upwards, making it highly practical.

Embodiments of the present application provide a relay transmission method, executed at a relay node. The relay transmission method comprises: receiving an Ambient Power (AMP) relay establishment request frame sent by a Station (STA), to perform configuration of a relay link, wherein the AMP relay establishment request frame is used for indicating an Identifier (ID) or address of an AMP node, and indicating an AMP relay link transmission parameter; sending an AMP relay establishment request feedback frame to the STA, to perform configuration of the relay link; and receiving data reported by the AMP node, and forwarding the data to the STA on the basis of the configuration of the relay link; or receiving a downlink data request of the STA, and triggering the AMP node on the basis of the configuration of the relay link.

The application discloses a kind of star-ground fusion communication method, device and equipment, it is related to wireless communication field, to improve the reliability and transmission efficiency of data transmission.The application receives the data reported by sending end;According to the connection state of receiving end in ground link and satellite link, satellite network and ground network are used to relay transmission mode, and the data is issued to receiving end under at least one communication protocol.The application improves the data transmission reliability, transmission efficiency and robustness in complex dynamic environment, guarantees the real-time performance, reliability and security of data transmission.

The application relates to the technical field of underwater robot research, and provides an autonomous underwater robot positioning method and system based on a relay forwarding mechanism. The autonomous underwater robot positioning method based on the relay forwarding mechanism comprises the following steps: firstly, a kinematic model of an AUV and a measurement mapping model of multiple beacon nodes are uniformly modeled as a kind of asynchronous multi-rate sampling nonlinear system. On this basis, the resolution constraint of a data acquisition sensor of the beacon node and the bandwidth limitation of an underwater acoustic channel are fully considered, and a relevant pair quantizer is used to compress and process a transmission signal. A three-end relay transmission model is introduced to describe the cross-medium transmission process of data from the AUV to the buoy and then to the surface base station. Further, in combination with advanced mathematical tools such as the matrix maximum principle, graph theory topological modeling and geometric projection optimization, an on-line iterative high-efficiency positioning algorithm is designed, and high-precision and high-reliability estimation of the position of the AUV in a complex underwater acoustic environment is realized.

The invention relates to an underground gas data acquisition method based on wireless transmission, and belongs to the technical field of data acquisition and transmission. The method comprises the following steps: deploying a distributed gas sensor network underground, acquiring underground gas concentration data in real time, and performing multi-hop relay transmission through a wireless network; in the gas concentration data uploading process, data transmission is carried out among nodes in the wireless network by adopting a multi-hop routing protocol; transmitting the gas concentration data to a service terminal for storage, and if data missing exists in the gas concentration data, supplementing missing data through a data complementation model and then storing the missing data to the service terminal; and in the service terminal, early warning analysis is carried out according to the stored gas concentration data. According to the invention, data transmission energy consumption can be reduced, deployment cost can be reduced, early warning errors can be reduced, and early warning response speed can be improved.

The invention provides a method, a device and equipment for determining channel parameters of a satellite-ground communication relay station, and relates to the field of data processing. The method comprises the following steps: acquiring basic parameters of a satellite-ground communication relay station under a satellite communication link; determining path loss, frequency deviation, propagation delay and multipath impulse response of the satellite communication link according to the basic parameters; determining a channel quality parameter of the satellite communication link according to the basic parameter, the path loss, the frequency offset, the propagation time delay and the multipath impulse response; and performing error correction processing on the satellite communication link based on the channel quality parameter of the satellite communication link to obtain a target channel parameter of the satellite communication link of the satellite-earth communication relay station after error correction. According to the scheme provided by the invention, accurate real-time determination of the channel parameters of the satellite-to-ground communication relay station in a complex environment is realized, so that the satellite-to-ground communication relay station is ensured, and reliable, efficient and self-adaptive signal relay transmission can be realized in various emergency environment conditions.